X2268

X2-ISOCONJUGATE OF X959

X2268 = {X37,X48}-harmonic conjugate of X9310
< A B C >: Reference Triangle △ABC [ A B ]: Sideline AB (Base c = 1) [ B C ]: Sideline BC (Side a) [ C A ]: Sideline CA (Side b) { 37, 48 }: Central Line L(37, 48) { 9, 21 }: Central Line L(9, 21) { 6, 31 }: Central Line L(6, 31) { 73, 478 }: Central Line L(73, 478) { 1, 572 }: Central Line L(1, 572) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_37 = CROSSPOINT OF INCENTER AND CENTROID (0.5567, 0.2158) X_48 = CROSSPOINT OF X(1) AND X(63) (0.5412, 0.1246) X_9 = MITTENPUNKT (0.5110, 0.1615) X_21 = SCHIFFLER POINT (0.5287, 0.1771) X_6 = SYMMEDIAN POINT (LEMOINE POINT, GREBE POINT) (0.6000, 0.2672) X_31 = 2nd POWER POINT (0.6228, 0.3008) X_73 = CROSSPOINT OF INCENTER AND CIRCUMCENTER (0.5487, 0.1428) X_478 = CENTER OF YIU CONIC (0.5030, -0.3520) X_1 = INCENTER (0.5714, 0.2333) X_572 = ORTHOGONAL OF X(58) (7.2953, -0.6907) X_2268 = -ISOCONJUGATE OF X(959) (0.5539, 0.1993) A B C X37 X48 X9 X21 X6 X31 X73 X478 X1 X572 X2268 (a, b, c) = (5, 6, 7) | AB = 1

X2268 (X2-ISOCONJUGATE OF X959) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_2268 = X_2-ISOCONJUGATE OF X_959."""

        from __future__ import annotations

        from pathlib import Path

        import sympy.geometry as spg
        from geometor.model import Model

        from geometor.etc.ops import (
            central_line,
            construct_baseline_triangle,
            create_model,
            eval_trilinear_point,
            mittenpunkt_of,
            promote_point_to_top,
            symmedian_point_of,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_02268(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_2268 = X_2-ISOCONJUGATE OF X_959 on reference triangle ABC."""
            X_2268 = eval_trilinear_point(model, A, B, C, 'a*cos(A) + b + c', ID="X_2268", classes=["selected", "target"])
            X_9 = mittenpunkt_of(model, A, B, C, ID="X_9", classes=["center", "incident"])
            X_21 = eval_trilinear_point(model, A, B, C, '1/(cos(B) + cos(C))', ID="X_21", classes=["center", "incident"])
            central_line(model, X_9, X_21, 9, 21, incident=True)
            X_6 = symmedian_point_of(model, A, B, C, ID="X_6", classes=["center", "incident"])
            X_31 = eval_trilinear_point(model, A, B, C, 'a**(2)', ID="X_31", classes=["center", "incident"])
            central_line(model, X_6, X_31, 6, 31, incident=True)
            X_37 = eval_trilinear_point(model, A, B, C, 'b + c', ID="X_37", classes=["center", "incident"])
            X_48 = eval_trilinear_point(model, A, B, C, 'tan(B) + tan(C)', ID="X_48", classes=["center", "incident"])
            central_line(model, X_37, X_48, 37, 48, incident=True)
            return promote_point_to_top(model, X_2268)


        def build_model(
            sides: tuple[float, float, float] = (5.0, 6.0, 7.0),
            show_guides: bool = False,
        ) -> Model:
            """Build a `geometor.model.Model` for X_2268 on the given reference triangle."""
            model = create_model('X_2268 = X_2-ISOCONJUGATE OF X_959')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_02268(model, A, B, C)
            return model


        if __name__ == "__main__":
            here = Path(__file__).resolve().parent
            model_acute = build_model((5.0, 6.0, 7.0))
            model_acute.save(str(here / "x-02268.json"))
            write_center_svg(
                model_acute,
                here / "x-02268.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )